Cisco Systems UBR7225VXR specifications Maintaining the Cisco uBR7225VXR Router

Contents

		Measuring the RF Signal at the Forward Test Point on a Laser Transmitter 4-37
		Configuring the Digital Signal			4-40
		Maintaining the Cisco uBR7225VXR Router 5-1
C H A P T E R	5
		Online Insertion and Removal			5-1
		Environmental Monitoring and Reporting Functions 5-2
		Environmental Monitoring			5-2
		Reporting Functions		5-3
		Fan Failures	5-6
		Troubleshooting 6-1
C H A P T E R	6
		Overview 6-1
		Providing Information		6-1
		Problem Solving with Subsystems				6-2
		Identifying Startup Problems				6-3
		Power Subsystem	6-4
		Cooling Subsystem	6-4

		Processor Subsystem 6-5
		Troubleshooting the Network Processing Engine			6-5
		Troubleshooting Cable Interface Line Cards		6-6
		Other Troubleshooting Information Websites		6-7
		Verifying the Downstream Signal 6-7
		Cisco uBR7225VXR Router Specifications
A P P E N D I X	A		A-1
		Cisco uBR7225VXR Physical and System Specifications			A-1
		RF Specifications B-1
A P P E N D I X	B
		DOCSIS 1.0 Transmission Characteristics	B-2
		Downstream RF Channel Transmission Characteristics				B-2
		Upstream RF Channel Transmission Characteristics				B-3
		DOCSIS 1.1 Transmission Characteristics	B-4
		Downstream RF Channel Transmission Characteristics				B-4
		Upstream RF Channel Transmission Characteristics				B-5
		EuroDOCSIS Transmission Characteristics	B-5
		Downstream RF Channel Transmission Characteristics				B-6
		Upstream RF Channel Transmission Characteristics				B-7

	Electrical Input and Output	B-8
	Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
vi		OL-17309-02